/**
 * Created by Administrator on 2016/3/27.
 */
public class a {
    class A {
    void show ()
    {
        System.out.println("A show");
    }
}
    class B extends A {
        void show ()
        {
            System.out.println("B show");
        }
    }
    class C
    {
        public static void main (String [] args)
        {
            B b = new B();
            b.show();
        }
    }
}
